/*
 * Copyright (C) 2016 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package app.cash.sqldelight

/**
 * Marshal and map the type `T` to and from a database type `S` which is one of
 * `Long`, `Double`, `String`, `byte[]`.
 */
interface ColumnAdapter<T : Any, S> {
  /**
   * @return [databaseValue] decoded as type [T].
   */
  fun decode(databaseValue: S): T

  /**
   * @return [value] encoded as database type [S].
   */
  fun encode(value: T): S
}
